New vessel will only operate daytime sailings for first month
The Isle of Man Steam Packet Company has confirmed Manxman's first commercial sailing will be on Thursday 17 August.
It will sail from Douglas to Heysham at 8:45am, and return at 2:15pm.
People currently booked will be joined by the 50 winners of a public draw to be on board her first crossing.
Manxman will only operate daytime sailings for her first month of service.